n. [ Said to be from the name of the inventor; cf. It. prencisbecco. ] An alloy of copper and zinc, resembling gold; a yellow metal, composed of about three ounces of zinc to a pound of copper. It is much used as an imitation of gold in the manufacture of cheap jewelry. [ 1913 Webster ]
a. Made of pinchbeck; sham; cheap; spurious; unreal. “A pinchbeck throne.” J. A. Symonds. [ 1913 Webster ]